名词
中文翻译：Unknown
同义词：
['1. railway flat-car', 'flat car']
例句：
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1. The railway company employs a team of railway levelers to maintain the tracks.
铁路公司雇佣了一支团队来维护轨道。
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2. The engineer was responsible for the safety of the railway levelers during construction.
工程师负责施工期间铁路平车的安全。
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3. The railway leveler is an essential tool for maintaining the smooth operation of trains on therailway.
铁路平车是保持火车在铁路上平稳运行的必备工具。